Why people ask for ceramic tint
Ceramic film is popular with drivers who want heat rejection without choosing the darkest shade available. It also cuts glare and UV exposure like other quality automotive films.
Heat rejection
Ceramic film is made to reject infrared energy from the sun. The amount varies by product and shade, so compare the specifications for the actual film rather than assuming every ceramic tint performs the same.
UV protection
Automotive window film can block much of the ultraviolet exposure entering through the glass. That helps protect occupants and slows sun-related fading of dashboards, seats, and trim. Check the rating for the film being quoted.
Visibility
Darker glass is harder to see through at night. Ceramic film can provide heat rejection at lighter shades, but shade selection and the vehicle's factory glass still affect visibility.
Reduced glare
Tint can cut glare from the sun and bright reflections. It doesn't eliminate glare, and the legal shade limit still applies to the complete glass-and-film combination.
How long it lasts
Film quality, glass preparation, installation, sun exposure, and care all affect service life. Ask which current film is being installed and what manufacturer coverage applies.